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United States Patent | 5,616,104 |
Mulenburg ,   et al. | April 1, 1997 |
A human powered centrifuge has independently established turntable angular velocity and human power input. A control system allows excess input power to be stored as electric energy in a battery or dissipated as heat through a resistor. In a mechanical embodiment, the excess power is dissipated in a friction brake.
Inventors: | Mulenburg; Gerald M. (Mountain View, CA); Vernikos; Joan (Alexandria, VA) |
Assignee: | The United States of America as Represented by the Administrator of the (Washington, DC) |
Appl. No.: | 513263 |
Filed: | August 10, 1995 |
Current U.S. Class: | 482/57; 472/21; 472/35 |
Intern'l Class: | A63B 069/00 |
Field of Search: | 482/51,57,148,110 472/1,14,16,28,17,18,21,35,36 |
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